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Chemical Elements.com - Curium (Cm)

https://chemicalelements.com/elements/cm.html

“Basic Information Name: Curium Symbol: Cm Atomic Number: 96 Atomic Mass: (247.0) amu Melting Point: 1340.0 °C (1613.15 K, 2444.0 °F) Boiling Point: Unknown Number of Protons/Electrons: 96 Number of Neutrons: 151 Classification: Rare Earth Crystal Structure: Unknown Density @ 293 K: 13.511 g/cm3...” (from the page’s text)

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